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Finding the Fourth Proportional to 18,055.62, 24,865.08 and 16,930.52

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Solution

The fourth proportional to 18,055.62, 24,865.08 and 16,930.52 is: 23,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.62 : 24,865.08 = 16,930.52 : x
  2. Step 2: Convert to fraction form
    18,055.62/24,865.08 = 16,930.52/x
  3. Step 3: Cross multiply
    18,055.62x = 24,865.08 × 16,930.52
  4. Step 4: Simplify right side
    18,055.62x = 420,978,734.24
  5. Step 5: Solve for x
    x = 420,978,734.24/18,055.62
  6. Step 6: Final answer
    x = 23,315.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.